Setting Lists

party_goers = {'Andrew', 'Barbara', 'Carole', 'David'}
print ('Party_Goers:', type(party_goers))

print ('Did David go to the party?', 'David' in party_goers)
print ('Did Kelly go to the party?', 'Kelly' in party_goers)

students = {'Andrew', 'Kelly', 'Lynn', 'David'}

commons = party_goers.intersection(students)

party_students = list(commons)

print ('Students at the party:' , party_students)
print ('First student at the party:' , party_students[0])